/// <summary>JwkToProvider</summary>
        /// <param name="jwkObject">JObject</param>
        /// <returns>RSA(公開鍵)</returns>
        public static RSA JwkToProvider(JObject jwkObject)
        {
            RSAParameters rsaParameters = RsaPublicKeyConverter.JwkToParam(jwkObject);
            RSA           rsa           = AsymmetricAlgorithmCmnFunc.RsaFactory();

            rsa.ImportParameters(rsaParameters);
            return(rsa);
        }
 /// <summary>JwkToParam</summary>
 /// <param name="jwkString">string</param>
 /// <returns>RSAParameters(公開鍵)</returns>
 public static RSAParameters JwkToParam(string jwkString)
 {
     return(RsaPublicKeyConverter.JwkToParam(
                JsonConvert.DeserializeObject <JObject>(jwkString)));
 }